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Constat — 483 Risk Radar (MCP server)

MCP Queen grade

The MCP server behind Constat — FDA & NHTSA regulatory-risk intelligence for AI agents, over the Model Context Protocol. Live public regulatory data — recalls, adverse events, warning letters, 510(k) premarket evidence, postmarket drift signals, reimbursement pathways, and vehicle safety. Decision support, not regulatory advice.

  • Endpoint: https://constat.dev/api/mcp (legacy https://radar.healthai.com/api/mcp still serves)

  • Transport: Streamable HTTP (JSON-RPC 2.0)

  • Auth: none for the free tier (60 req/min per IP; an optional X-API-Key header raises limits — shared with Clarity MCP, request one at POST https://mcp.healthai.com/register)

  • Registry: com.healthai/radar (official MCP registry)

The evidence corpus and tool logic run hosted at the endpoint above. This repo also ships server.mjs, a zero-dependency stdio bridge to that endpoint, so stdio-only MCP clients can use the server like any local one:

node server.mjs            # stdio MCP server, bridges to constat.dev/api/mcp
// e.g. in an MCP client config
{ "mcpServers": { "constat": { "command": "node", "args": ["/path/to/server.mjs"] } } }
docker build -t constat-mcp . && docker run -i constat-mcp   # same, containerized

Tools

Tool

What it does

device_risk_lookup

FDA compliance risk for a device category by 3-letter product code — recalls, MAUDE trend, warning-letter matches, composite score

firm_compliance_history

Source-bounded FDA public-record timeline for a device firm — recalls, warning letters, 483s, clearances

watchlist_diff

Machine-detected FDA public-record changes for monitored product codes since a given date

device_evidence_lookup

Parsed 510(k) premarket evidence for an AI/ML device, each field with a verbatim source quote + page

evidence_search

Find AI/ML clearances by product code, panel, applicant, clinical data, sensitivity metric, or PCCP

predicate_chain

Trace a device's predicate ancestry with each predicate's age at clearance

evidence_cohort_stats

Reporting-rate stats across the parsed AI/ML corpus — presence figures with denominators

device_postmarket_lookup

Post-clearance intelligence for one device — recalls, MAUDE trend, letter/483 matches, drift signals

postmarket_search

Find devices by postmarket criteria — drift signals, recalls in 24mo, rising MAUDE trend

cohort_postmarket_stats

Postmarket presence rates across the AI/ML cohort, each with its denominator

reimbursement_lookup

Clearance-to-payment pathway by K/DEN or CPT code — NTAP, Cat I/III, CMS rates, HCPCS, LCDs

reimbursement_search

Find payment pathways by mechanism, CPT category, NTAP status, applicant

reimbursement_stats

Mechanism distribution across the reimbursement corpus with dollar ranges

vehicle_risk_lookup

NHTSA safety history by make/model/year — recall campaigns and complaint stats

Related MCP server: Legal Info MCP Server

Quick start

curl -s https://constat.dev/api/mcp \
  -H 'content-type: application/json' \
  -H 'accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call",
       "params":{"name":"device_risk_lookup","arguments":{"product_code":"FRN"}}}'

List tools with {"method":"tools/list"}. Note the Accept header must include text/event-stream (streamable-HTTP requirement).

  • Clarity MCP — condition-aware ingredient, product & supplement safety (verdict + evidence tier + citation).

  • MCP Queen — the graded MCP registry that independently probes and grades this server.

About

Built by Health AI, the team behind Constat. Informational only; verify against primary FDA/NHTSA sources.

License

MIT — see LICENSE.

A
license - permissive license
-
quality - not tested
B
maintenance

Maintenance

Maintainers
Response time
Release cycle
Releases (12mo)
Commit activity

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